Quadrilateral EFGH is an isosceles trapezoid with bases EH and FG. The measure of angle HGF is (7y + 6)°, and the measure of angle EFG is (8y + 4)°. What is the measure of angle HGF?

Trapezoid E F G H is drawn with parallel bases E H and F G.

20°
28°
90°
160°